nì qǔ shùn shǒu
逆:背叛;顺:合理。背叛国君夺取天下,遵循常理治理国家。
《汉书·陆贾传》:“且汤武逆而以取顺守之,文武并用,长久之术也。”
逆取顺守作谓语、宾语;指人篡权。
keep by the right method what was first acquired wrongly